alula — [al′yo͞o lə] n. pl. alulae [al′yo͞olē΄] [ModL, dim of ala, wing: see AILERON] the terminal part of a bird s wing corresponding to the thumb, consisting of two or more quills; bastard wing … English World dictionary

Alula — This article is about the Alula feather. For the Finnish ornithological journal of the same name, see Alula (journal); for the Hawaiian plant, see Brighamia insignis. The alula, or bastard wing, is a small projection on the anterior edge of the… … Wikipedia